fix: create an 'id' attribute even if missing in the entry

weboob/tools/newsfeed.py

@@ -31,6 +31,11 @@ __all__ = ['Entry', 'Newsfeed']
 
 class Entry:
     def __init__(self, entry, rssid_func=None):
+        if hasattr(entry, 'id'):
+            self.id = entry.id
+        else:
+            self.id = None
+
         if entry.has_key("link"):
             self.link = entry["link"]
         else:
@@ -65,8 +70,6 @@ class Entry:
 
         if rssid_func:
             self.id = rssid_func(self)
-        else:
-            self.id = entry.id
 
 class Newsfeed:
     def __init__(self, url, rssid_func=None):